[Iaude] MPEC E02: 2019 DF1 [a=1.35,e=0.27,i=4.3,H=26.6]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Fri Mar 1 07:23:17 EST 2019


M.P.E.C. 2019-E02                                Issued 2019 Mar. 1, 12:19 UT
 
     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
    on behalf of Division F of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
                          Cambridge, MA 02138, U.S.A.

             Prepared using the Tamkin Foundation Computer Network

                              MPC at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2019 DF1
 
Observations:
     K19D01F* C2019 02 28.14680 08 42 30.49 +04 31 34.0          21.3 GVEE002G96
     K19D01F  C2019 02 28.15236 08 42 34.12 +04 32 00.4          21.1 GVEE002G96
     K19D01F  C2019 02 28.15791 08 42 37.76 +04 32 24.9          20.6 GVEE002G96
     K19D01F  C2019 02 28.16349 08 42 41.39 +04 32 50.0          21.9 GVEE002G96
     K19D01F  C2019 02 28.21131 08 43 12.10 +04 36 23.5          21.7 GVEE002I52
     K19D01F  C2019 02 28.21297 08 43 13.17 +04 36 31.4          21.1 GVEE002I52
     K19D01F  C2019 02 28.21464 08 43 14.24 +04 36 38.6          21.1 GVEE002I52
     K19D01F  C2019 02 28.21630 08 43 15.30 +04 36 45.9          21.5 GVEE002I52
     K19D01F  C2019 02 28.27378 08 43 52.07 +04 41 00.4          21.2 GVEE002I52
     K19D01F  C2019 02 28.27544 08 43 53.13 +04 41 07.5          20.9 GVEE002I52
     K19D01F  C2019 02 28.27711 08 43 54.22 +04 41 14.8          21.0 GVEE002I52
     K19D01F  C2019 02 28.27877 08 43 55.28 +04 41 22.0          20.9 GVEE002I52
     K19D01F KC2019 02 28.84083108 50 27.17 +05 21 29.7          21.5 GVEE002L01
     K19D01F pC2019 02 28.84470808 50 29.60 +05 21 46.5          21.4 GVEE002L01
     K19D01F KC2019 02 28.84772308 50 31.46 +05 21 59.6          21.6 GVEE002L01
     K19D01F  C2019 03 01.19019 08 54 22.15 +05 46 27.0                VEE002I52
     K19D01F  C2019 03 01.19352 08 54 24.17 +05 46 41.3                VEE002I52
     K19D01F  C2019 03 01.19684 08 54 26.13 +05 46 53.2          20.5 GVEE002I52
 
Observer details:
G96 Mt. Lemmon Survey.  Observer H. Groeller.  Measurers B. M. Africano,
    E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
    H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne,
    R. L. Seaman, F. C. Shelly.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers B. M. Africano,
    R. A. Kowalski.  Measurers B. M. Africano, E. J. Christensen,
    G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller,
    R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, R. L. Seaman,
    F. C. Shelly.  1.0-m reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
 
Orbital elements:
2019 DF1                                                 Earth MOID = 0.0351 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  58.82519              (2000.0)            P               Q
n   0.63173179     Peri.  312.82111     -0.48719044     -0.87311193
a   1.3451815      Node   166.30231     +0.82168974     -0.46525263
e   0.2656259      Incl.    4.33944     +0.29575572     -0.14565558
P   1.56           H   26.6           G   0.15           U   8
Residuals in seconds of arc
190228 G96  0.3-  0.9-    190228 I52  0.2-  0.1+    190228 L01  0.2+  0.2+
190228 G96  0.0   0.5+    190228 I52  0.3-  0.0     190228 L01  0.0   0.4+
190228 G96  0.5+  0.1+    190228 I52  0.1-  0.0     190228 L01  0.6-  0.7+
190228 G96  0.7+  0.1+    190228 I52  0.1-  0.2-    190301 I52  0.5+  0.1+
190228 I52  0.3-  0.1-    190228 I52  0.2+  0.3-    190301 I52  0.3+  0.5+
190228 I52  0.2-  0.4+    190228 I52  0.1+  0.4-    190301 I52  0.5-  1.4-

Ephemeris:
2019 DF1                 a,e,i = 1.35, 0.27, 4                   q = 0.9879
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2019 01 30    03 22 03.4 -22 21 44   0.07630 0.9890    90.8    84.8    24.0
...
2019 02 14    05 29 17.1 -15 02 16   0.04920 1.0053   110.0    67.4    22.4
...
2019 02 22    07 20 47.8 -04 17 15   0.04536 1.0206   133.2    44.9    21.6
...
2019 02 28    08 40 41.3 +04 21 55   0.05107 1.0348   149.7    28.9    21.5
2019 03 01    08 52 11.6 +05 34 26   0.05270 1.0374   151.8    26.9    21.5
2019 03 02    09 03 05.4 +06 41 46   0.05450 1.0400   153.6    25.0    21.5
...
2019 03 08    09 56 15.6 +11 42 09   0.06824 1.0569   160.3    18.5    21.8
...
2019 03 16    10 41 46.1 +14 57 43   0.09245 1.0821   160.5    17.9    22.5
...
2019 03 31    11 26 57.5 +16 07 23   0.1504  1.1356   153.8    22.9    23.9

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-E02



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